Every exercice is good to burn fat, to burn fat you neen to burn calorie. Every exercice will help you burn calorie. The exercice who need a good VO2 max here the best fat burner. Running and swimming are the best fat burner, the others sport and exercice are good, but you need to do it for a longer period of time. 20 min running =+/- 60 min biking. For the same calorie burn.